.fre-group {
    background-color: rgba(61, 86, 111, 0.4);
    height: 32px;
    width: 328px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    margin-bottom: 24px;
}

.fre-item {
    display: inline-block;
    width: 40px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    vertical-align: middle;
    font-size: 12px;
    color: #80aff8;
    position: relative;
    cursor: pointer;
    box-sizing: border-box;
}

.fre-item.active {
    color: #19232e;
    border: 1px solid rgba(255, 255, 255, 0);
    border-radius: 4px;
    background-color: #d9e2ea;
}

.fre-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    box-sizing: border-box;
    height: 16px;
    width: 1px;
    border: 1px solid #34495f;
}

.fre-item:first-child::before,
.fre-item.active::before,
.fre-item.active + .fre-item::before {
    display: none;
}
